On Mon, 2004-09-13 at 02:05 -0400, Alex Deucher wrote: > On Sun, 12 Sep 2004 20:45:18 -0400 (EDT), Vladimir Dergachev > <[EMAIL PROTECTED]> wrote: > > > > > > On Sun, 12 Sep 2004, Michel [ISO-8859-1] Dïnzer wrote: > > > > > On Sun, 2004-09-12 at 23:42 +0100, Dave Airlie wrote: > > >> > > >> I think yourself and Linus's ideas for a locking scheme look good, I also > > >> know they won't please Jon too much as he can see where the potential > > >> ineffecienes with saving/restore card state on driver swap are, especailly > > >> on running fbcon and X on a dual-head card with different users. > > > > > > Frankly, I don't understand the fuss about that. When you run a 3D > > > client on X today, 3D client and X server share the accelerator with > > > this scheme, and as imperfect as it is, it seems to do a pretty good job > > > in my experience. > > > > Not that good - try dragging something while a DVD video is playing. > > The overlay could be converted to use the CP engine as well. right now > it has to switch to MMIO for overlay.
The question is whether that matters at all, i.e. whether the registers used for the overlay are FIFO'd. Either way, I don't see how this is related to the way DRM context switches are handled. -- Earthling Michel DÃnzer | Debian (powerpc), X and DRI developer Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer ------------------------------------------------------- This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 Project Admins to receive an Apple iPod Mini FREE for your judgement on who ports your project to Linux PPC the best. Sponsored by IBM. Deadline: Sept. 13. Go here: http://sf.net/ppc_contest.php -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
